<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<!DOCTYPE html>
<html lang="en">
    <head>
        <meta charset="UTF-8">
        <title>error</title>
    </head>
    <body>
        <h1>操作失败<a href="javascript:void(0)" onclick="window.history.back()">返回</a>
    
</h1>
    </body>
</html>